bash shell script to transliterate a file - that is, to strip any accents from the file and make it standard English alphabetic characters

transliterate-file.sh

#!/bin/bash

# Parse command-line options
while getopts ":f:" opt; do
  case ${opt} in
  f)
    file=$OPTARG
    ;;
  \?)
    echo "Usage: $0 [-f /path/to/file] or [--file /path/to/file]"
    exit 1
    ;;
  :)
    echo "Invalid option: -$OPTARG requires an argument" 1>&2
    exit 1
    ;;
  esac
done

shift $((OPTIND - 1))

# Check if the file argument is provided
if [ -z "$file" ]; then
  echo "Error: No file specified."
  echo "Usage: $0 [-f /path/to/file] or [--file /path/to/file]"
  exit 1
fi

# Check if the file exists
if [ ! -f "$file" ]; then
  echo "Error: File not found: $file"
  exit 1
fi

new_name=$(echo "$file" | iconv -f UTF-8 -t ASCII//TRANSLIT)

# Check if the new name is different from the original name
if [ "$new_name" != "$file" ]; then
  mv -- "$file" "$new_name"
  echo "File renamed successfully: $file -> $new_name"
else
  echo "No change needed. File name already in ASCII: $file"
fi